{
  "id": "moonstone-sleet",
  "name": "Moonstone Sleet",
  "aliases": [
    "Storm-1789"
  ],
  "domain": "cyber",
  "country": "PRK",
  "category": "State-sponsored cyber threat group",
  "status": "tracked",
  "fielded": null,
  "operators": [
    "PRK"
  ],
  "summary": "Moonstone Sleet is a North Korean-linked threat actor executing both financially motivated attacks and espionage operations. The group previously overlapped significantly with another North Korean-linked entity, Lazarus Group, but has differentiated its tradecraft since 2023.",
  "specs": [
    {
      "k": "sponsor",
      "v": "North Korean-linked",
      "src": [
        "mitre-g1036"
      ],
      "conf": "high"
    },
    {
      "k": "active_since",
      "v": 2023,
      "src": [
        "mitre-g1036"
      ],
      "conf": "medium",
      "note": "At least 2023"
    },
    {
      "k": "attack_id",
      "v": "G1036",
      "src": [
        "mitre-g1036"
      ],
      "conf": "high"
    },
    {
      "k": "techniques_count",
      "v": 30,
      "src": [
        "mitre-g1036"
      ],
      "conf": "high",
      "note": "ATT&CK v20.1"
    },
    {
      "k": "software",
      "v": "Qilin",
      "src": [
        "mitre-g1036"
      ],
      "conf": "high",
      "note": "1 malware and tool entries linked in ATT&CK"
    }
  ],
  "payloads": [],
  "variants": [],
  "art": "cyber",
  "image": null,
  "verified": null,
  "notes": "Moonstone Sleet is a North Korean-linked threat actor executing both financially motivated attacks and espionage operations. The group previously overlapped significantly with another North Korean-linked entity, Lazarus Group, but has differentiated its tradecraft since 2023. Moonstone Sleet is notable for creating fake companies and personas to interact with victim entities, as well as developing unique malware such as a variant delivered via a fully functioning game. Description adapted from MITRE ATT&CK®, © The MITRE Corporation, used under the ATT&CK Terms of Use.",
  "changelog": [
    {
      "date": "2026-11-08",
      "change": "Entry created from MITRE ATT&CK Enterprise v20.1 (group G1036)"
    }
  ],
  "url": "https://www.defensepedia.com/systems/moonstone-sleet.html",
  "sources": {
    "mitre-g1036": {
      "title": "Moonstone Sleet, Group G1036",
      "publisher": "MITRE ATT&CK",
      "url": "https://attack.mitre.org/groups/G1036/",
      "published": "2026-07-31",
      "tier": 2,
      "checked": "2026-11-08"
    }
  }
}